ORDER MACROCHIRES. 223 



425. Micropus melanoleucus (BAIRD). 



White-throated Swift. 



Cypselus melanoleucus BAIRD, Pr. Ac. Nat. Sci. Phila. June, 1854, 



118. 

 Micropus melanoleucus RLDGW. Auk, I. July, 1884, 230. 



[B 107, C 269, R 349, C 403.] 



HAB. Western United States, from the Rocky Mountains to the 

 Pacific, and south to Central America. 



SUBORDER TROCHILI. HUMMINGBIRDS. 



FAMILY TROOHILID^j. HUMMINGBIRDS. 



GENUS EUGENES GOULD. 



Eugenes GOULD, Mon. Troch. pt. xii. 1856. Type, Trochilus fulgens 

 SWAINS. 



20. Eugenes fulgens (SWAINS.). 



Rivoli Hummingbird. 



Trochilus fulgens SWAIXS. Phil. Mag. 1827, 441. 

 Eugenes fulgens GOULD, Mon. Troch. II. 1856, pi. 59. 



[B , C 274 to, R 334, C 408.] 

 HAB. Southern Arizona, through Mexico to Guatemala. 



GENUS CGBLIGrENA LESSON. 



Caligena LESS. Ind. & Synop. Gen. Troch. 1832, p. xviii. Type, 

 Ornismva clemencies LESS. 



427. Coeligena clemencise LESS. 



Blue-throated Hummingbird. 



Ornismya clemencies LESS. Ois. Mouch. 1829, 216, pi. 80. 

 Casligena clemencies LESS. Ind. Synop. Gen. Troch. 1832, p. xviii. 



